<!DOCTYPE html>
<script>
    if (window.testRunner)
        testRunner.dumpAsText();
</script>
<p>PASS if no crash or assertion failure.</p>
<div style="-webkit-columns:2;">
    <div style="height:2em; overflow:hidden;">
        <div style="height:3em;"></div>
        <div style="-webkit-column-span:all;"></div>
        <div style="height:1em;"></div>
    </div>
</div>
